Vote for your favorite mineral in #MinCup26! - Hafnon vs. Putnisite
It's a pair of tiny minerals of unusual chemistry as orange Hafnon battles with purple Putnisite.
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Biotite from
Whittle Quarry, Saluda County, South Carolina, USA


Locality type:Quarry
Classification
Species:'Biotite' (not an IMA approved species)
Formula:K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Biotite data
Locality Data:Click here to view Whittle Quarry, Saluda County, South Carolina, USA
Data Identifiers
Mindat Occurrence Record ID:1359016
Long-form Identifier:1:3:1359016:9
GUID (UUID V4):0
Nearest other occurrences of Biotite
33.1km (20.6 miles) ⓘEdgefield Granite Quarry, Edgefield County, South Carolina, USA
36.6km (22.7 miles) ⓘCasparis Stone Quarry, Lexington County, South Carolina, USA
46.0km (28.6 miles) ⓘLeitzey Quarry, Newberry County, South Carolina, USA
50.8km (31.6 miles) ⓘLeiper-Davis Quarry, Fairfield County, South Carolina, USA
51.8km (32.2 miles) ⓘPinson No. 2 Mine, Enoree Vermiculite Mining District, Laurens County, South Carolina, USA
52.7km (32.7 miles) ⓘColumbia Quarry (Lipscomb Quarry; Palmetto Quarry; Morris & Company), Richland County, South Carolina, USA
54.4km (33.8 miles) ⓘAnderson Quarry (Winnsboro Granite Corporation Quarry), Fairfield County, South Carolina, USA
56.1km (34.9 miles) ⓘBlair Quarry (Lone Star Industries Inc.; Cement and Construction Materials Group), Fairfield County, South Carolina, USA
57.7km (35.8 miles) ⓘBenjamin Granite Quarry, Greenwood County, South Carolina, USA
59.1km (36.7 miles) ⓘRion Quarry (Ri/M Quarry), Rion, Fairfield County, South Carolina, USA
References
Watson, Thomas Leonard (1910) Granites of the southeastern Atlantic States. Bulletin 426. US Geological Survey doi:10.3133/b426
 
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